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Chapter 5 UMID Functions

Chapter 5 UMID Functions 5-1

Chapter 5

UMID Functions

5-1 Overview of UMID Functions

The UMID (Unique Material Identifier) is a type of

meta-data in video and audio materials. It has been

internationally standardized in SMPTE Standard

330M. This unit supports generation of UMIDs

recorded in the Digital Betacam or MPEG IMX

format.

The UMID is made up of a section called the “Basic”

section and a section called the “Source Pack” section.

The Basic section contains information such as the

device that recorded the material and whether the

material is the original or a copy. The Source Pack

section contains information about when/where/who

recorded the material.

A UMID with a Basic section only is called a Basic

UMID. A UMID with both Basic and Source Pack

sections is called an Extended UMID. The following

figure shows a general overview of the information

contained in a UMID.

Copy or original

Which device recorded the original

When was it recorded

Where was it recorded

Who recorded it

UMID Basic Instance Number

Material Number

Source Pack Date/Time

Spatial Co-ordinates

Stored Ownership

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 56 57

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Sony J30SDI User Manual Page 33